/* ═══════════════════════════════════════════
   Briarcliff Homes — Main Stylesheet
   Companion to Tailwind CDN (config in index.html)
═══════════════════════════════════════════ */

/* ── Base ── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: #F7F5F2;
  color: #2A2A2A;
  font-family: 'Inter', system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ── Custom scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: #F7F5F2; }
::-webkit-scrollbar-thumb { background: #B89A74; border-radius: 3px; }

/* ── Reveal animations ── */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.85s cubic-bezier(0.16,1,0.3,1),
              transform 0.85s cubic-bezier(0.16,1,0.3,1);
}
.reveal.visible { opacity: 1; transform: translateY(0); }

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.85s cubic-bezier(0.16,1,0.3,1),
              transform 0.85s cubic-bezier(0.16,1,0.3,1);
}
.reveal-left.visible { opacity: 1; transform: translateX(0); }

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.85s cubic-bezier(0.16,1,0.3,1),
              transform 0.85s cubic-bezier(0.16,1,0.3,1);
}
.reveal-right.visible { opacity: 1; transform: translateX(0); }

.reveal-scale {
  opacity: 0;
  transform: scale(0.94);
  transition: opacity 0.9s cubic-bezier(0.16,1,0.3,1),
              transform 0.9s cubic-bezier(0.16,1,0.3,1);
}
.reveal-scale.visible { opacity: 1; transform: scale(1); }

/* ── Transition delay helpers ── */
.delay-100 { transition-delay: 0.1s; }
.delay-200 { transition-delay: 0.2s; }
.delay-300 { transition-delay: 0.3s; }
.delay-400 { transition-delay: 0.4s; }
.delay-500 { transition-delay: 0.5s; }
.delay-600 { transition-delay: 0.6s; }

/* ── Respect reduced motion ── */
@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal-left, .reveal-right, .reveal-scale {
    opacity: 1;
    transform: none;
    transition: none;
  }
  html { scroll-behavior: auto; }
}

/* ── Navigation ── */
#nav {
  transition: background 0.4s ease, box-shadow 0.4s ease, padding 0.4s ease;
}

/* Dark top vignette so nav text is always readable over the hero photo */
#nav::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(20,16,12,0.55) 0%, transparent 100%);
  pointer-events: none;
  transition: opacity 0.4s ease;
  z-index: -1;
}
#nav.scrolled::before { opacity: 0; }

/* Scrolled state — light frosted background, dark text */
#nav.scrolled {
  background: rgba(247,245,242,0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(42,42,42,0.08);
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
}
#nav.scrolled .nav-logo-primary { color: #2A2A2A; }
#nav.scrolled .nav-logo-sub     { color: #8C6F4E; }
#nav.scrolled .nav-link         { color: #2A2A2A; }
#nav.scrolled .nav-link:hover   { color: #B89A74; }
#nav.scrolled .nav-cta          { border-color: #2A2A2A; color: #2A2A2A; }
#nav.scrolled .nav-cta:hover    { background: #2A2A2A; color: #F7F5F2; }
#nav.scrolled #bar1,
#nav.scrolled #bar2,
#nav.scrolled #bar3             { background-color: #2A2A2A; }

/* ── Hero ── */
.hero-img {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center 40%;
  transform: scale(1.05);
  transition: transform 8s ease-out;
}
.hero-img.loaded { transform: scale(1); }
.hero-img picture,
.hero-img picture img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
}

/* Parallax hint — GPU-composited layer */
.parallax-hero { will-change: transform; }

/* ── Scroll indicator animation ── */
@keyframes scrollLine {
  0%   { transform: translateY(-100%); }
  100% { transform: translateY(300%); }
}

/* ── Portfolio project cards ── */
.project-card { cursor: pointer; }
.project-card img {
  transition: transform 0.7s cubic-bezier(0.16,1,0.3,1);
}
.project-card:hover img { transform: scale(1.04); }
.project-card .overlay {
  background: linear-gradient(to top, rgba(42,42,42,0.7) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.4s ease;
}
.project-card:hover .overlay { opacity: 1; }

/* ── Stats counter ── */
.stat-number {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-weight: 300;
  line-height: 1;
}

/* ── Decorative ornament rule ── */
.ornament::before,
.ornament::after {
  content: '';
  display: inline-block;
  width: 40px;
  height: 1px;
  background: #B89A74;
  vertical-align: middle;
  margin: 0 12px;
}

/* ── Contact form ── */
.form-field {
  border-bottom: 1px solid #D9D2C7;
  transition: border-color 0.3s ease;
}
.form-field:focus-within { border-color: #B89A74; }
.form-field input,
.form-field textarea,
.form-field select {
  width: 100%;
  background: transparent;
  outline: none;
  padding: 0.75rem 0;
  font-family: 'Inter', sans-serif;
  font-size: 0.9375rem;
  color: #2A2A2A;
}
.form-field label {
  display: block;
  font-size: 0.6875rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: #8C6F4E;
  margin-bottom: 2px;
}
input::placeholder,
textarea::placeholder { color: #B89A74; opacity: 0.6; }

/* ── Lightbox ── */
#lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(10,9,8,0.93);
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}
#lightbox.open { display: flex; }
#lightbox img {
  max-width: 100%;
  max-height: 90vh;
  object-fit: contain;
  border-radius: 2px;
}

/* ── Testimonial quote mark ── */
.quote-mark {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 6rem;
  line-height: 0.5;
  color: #B89A74;
  opacity: 0.4;
  user-select: none;
}

/* ── Buttons ── */
.btn-primary {
  display: inline-block;
  padding: 0.875rem 2.5rem;
  background: #2A2A2A;
  color: #F7F5F2;
  font-family: 'Inter', sans-serif;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  cursor: pointer;
  border: 1px solid #2A2A2A;
  text-decoration: none;
  transition: background 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}
.btn-primary:hover { background: #B89A74; border-color: #B89A74; }

.btn-outline {
  display: inline-block;
  padding: 0.875rem 2.5rem;
  background: transparent;
  color: #F7F5F2;
  font-family: 'Inter', sans-serif;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  cursor: pointer;
  border: 1px solid rgba(247,245,242,0.5);
  text-decoration: none;
  transition: background 0.3s ease, border-color 0.3s ease;
}
.btn-outline:hover { background: rgba(247,245,242,0.1); border-color: #F7F5F2; }

/* ── Section eyebrow label ── */
.section-label {
  font-size: 0.6875rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: #B89A74;
}

/* ── Utility: full-bleed image cover ── */
.img-cover { object-fit: cover; width: 100%; height: 100%; }